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1136 lines
46 KiB
1136 lines
46 KiB
//-----------------------------------------------------------------------------
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// 2022 Ahoy, https://www.mikrocontroller.net/topic/525778
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// Creative Commons - http://creativecommons.org/licenses/by-nc-sa/3.0/de/
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//-----------------------------------------------------------------------------
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#include "app.h"
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#include <ArduinoJson.h>
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//-----------------------------------------------------------------------------
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app::app() {
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DPRINTLN(DBG_VERBOSE, F("app::app"));
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mDns = new DNSServer();
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mUdp = new WiFiUDP();
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mEep = new eep();
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Serial.begin(115200);
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mWebInst = new web(this, &mSysConfig, &mConfig, mVersion);
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mWebInst->setup();
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resetSystem();
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loadDefaultConfig();
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mSys = new HmSystemType();
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}
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//-----------------------------------------------------------------------------
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void app::setup(uint32_t timeout) {
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DPRINTLN(DBG_VERBOSE, F("app::setup"));
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mWifiStationTimeout = timeout;
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mWifiSettingsValid = checkEEpCrc(ADDR_START, ADDR_WIFI_CRC, ADDR_WIFI_CRC);
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mSettingsValid = checkEEpCrc(ADDR_START_SETTINGS, ((ADDR_NEXT)-(ADDR_START_SETTINGS)), ADDR_SETTINGS_CRC);
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loadEEpconfig();
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#ifndef AP_ONLY
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if(false == apActive)
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apActive = setupStation(mWifiStationTimeout);
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setupMqtt();
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#endif
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mSys->setup(&mConfig);
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if(!mWifiSettingsValid) {
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DPRINTLN(DBG_WARN, F("your settings are not valid! check [IP]/setup"));
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apActive = true;
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mApLastTick = millis();
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mNextTryTs = (millis() + (WIFI_AP_ACTIVE_TIME * 1000));
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setupAp(WIFI_AP_SSID, WIFI_AP_PWD);
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}
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else {
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DPRINTLN(DBG_INFO, F("\n\n----------------------------------------"));
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DPRINTLN(DBG_INFO, F("Welcome to AHOY!"));
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DPRINT(DBG_INFO, F("\npoint your browser to http://"));
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if(apActive)
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DBGPRINTLN(F("192.168.1.1"));
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else
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DBGPRINTLN(WiFi.localIP());
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DPRINTLN(DBG_INFO, F("to configure your device"));
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DPRINTLN(DBG_INFO, F("----------------------------------------\n"));
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}
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}
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//-----------------------------------------------------------------------------
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void app::MainLoop(void) {
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//DPRINTLN(DBG_VERBOSE, F("M"));
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if(apActive) {
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mDns->processNextRequest();
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#ifndef AP_ONLY
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if(checkTicker(&mNextTryTs, (WIFI_AP_ACTIVE_TIME * 1000))) {
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apActive = setupStation(mWifiStationTimeout);
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if(apActive) {
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if(strlen(WIFI_AP_PWD) < 8)
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DPRINTLN(DBG_ERROR, F("password must be at least 8 characters long"));
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mApLastTick = millis();
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mNextTryTs = (millis() + (WIFI_AP_ACTIVE_TIME * 1000));
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setupAp(WIFI_AP_SSID, WIFI_AP_PWD);
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}
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}
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else {
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if(millis() - mApLastTick > 10000) {
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uint8_t cnt = WiFi.softAPgetStationNum();
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if(cnt > 0) {
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DPRINTLN(DBG_INFO, String(cnt) + F(" client connected, resetting AP timeout"));
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mNextTryTs = (millis() + (WIFI_AP_ACTIVE_TIME * 1000));
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}
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mApLastTick = millis();
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DPRINTLN(DBG_INFO, F("AP will be closed in ") + String((mNextTryTs - mApLastTick) / 1000) + F(" seconds"));
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}
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}
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#endif
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}
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mWebInst->loop();
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if(checkTicker(&mUptimeTicker, mUptimeInterval)) {
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mUptimeSecs++;
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if(0 != mTimestamp)
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mTimestamp++;
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else {
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if(!apActive) {
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mTimestamp = getNtpTime();
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DPRINTLN(DBG_INFO, "[NTP]: " + getDateTimeStr(mTimestamp));
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}
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}
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}
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if((WiFi.status() != WL_CONNECTED) && wifiWasEstablished) {
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if(!apActive) {
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DPRINTLN(DBG_INFO, "[WiFi]: Connection Lost");
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setupStation(mWifiStationTimeout);
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}
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}
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}
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//-----------------------------------------------------------------------------
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void app::loop(void) {
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DPRINTLN(DBG_VERBOSE, F("app::loop"));
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MainLoop();
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mSys->Radio.loop();
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yield();
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if(checkTicker(&mRxTicker, 5)) {
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//DPRINTLN(DBG_VERBOSE, F("app_loops =") + String(app_loops));
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app_loops=0;
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bool rxRdy = mSys->Radio.switchRxCh();
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if(!mSys->BufCtrl.empty()) {
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uint8_t len;
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packet_t *p = mSys->BufCtrl.getBack();
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if(mSys->Radio.checkPaketCrc(p->packet, &len, p->rxCh)) {
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// process buffer only on first occurrence
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if(mConfig.serialDebug) {
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DPRINT(DBG_INFO, "RX " + String(len) + "B Ch" + String(p->rxCh) + " | ");
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mSys->Radio.dumpBuf(NULL, p->packet, len);
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}
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mFrameCnt++;
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if(0 != len) {
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Inverter<> *iv = mSys->findInverter(&p->packet[1]);
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if(NULL != iv && p->packet[0] == (TX_REQ_INFO + 0x80)) { // response from get information command
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DPRINTLN(DBG_DEBUG, F("Response from info request received"));
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switch (mSys->InfoCmd){
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case InverterDevInform_Simple:
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{
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DPRINT(DBG_INFO, "Response from inform simple\n");
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mSys->InfoCmd = RealTimeRunData_Debug; // Set back to default
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break;
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}
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case InverterDevInform_All:
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{
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DPRINT(DBG_INFO, "Response from inform all\n");
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mSys->InfoCmd = RealTimeRunData_Debug; // Set back to default
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break;
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}
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case GetLossRate:
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{
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DPRINT(DBG_INFO, "Response from get loss rate\n");
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mSys->InfoCmd = RealTimeRunData_Debug; // Set back to default
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break;
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}
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case AlarmData:
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{
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DPRINT(DBG_INFO, "Response from AlarmData\n");
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mSys->InfoCmd = RealTimeRunData_Debug; // Set back to default
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break;
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}
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case AlarmUpdate:
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{
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DPRINT(DBG_INFO, "Response from AlarmUpdate\n");
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mSys->InfoCmd = RealTimeRunData_Debug; // Set back to default
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break;
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}
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case RealTimeRunData_Debug:
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{
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uint8_t *pid = &p->packet[9];
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if (*pid == 0x00) {
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DPRINT(DBG_DEBUG, "fragment number zero received and ignored");
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} else {
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if((*pid & 0x7F) < 5) {
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memcpy(mPayload[iv->id].data[(*pid & 0x7F) - 1], &p->packet[10], len-11);
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mPayload[iv->id].len[(*pid & 0x7F) - 1] = len-11;
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}
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if((*pid & 0x80) == 0x80) { // Last packet
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if((*pid & 0x7f) > mPayload[iv->id].maxPackId) {
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mPayload[iv->id].maxPackId = (*pid & 0x7f);
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if(*pid > 0x81)
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mLastPacketId = *pid;
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}
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}
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}
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break;
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}
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}
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}
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if(NULL != iv && p->packet[0] == (TX_REQ_DEVCONTROL + 0x80)) { // response from dev control command
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DPRINTLN(DBG_DEBUG, F("Response from devcontrol request received"));
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iv->devControlRequest = false;
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switch (p->packet[12]){
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case ActivePowerContr:
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if (iv->devControlCmd >= ActivePowerContr && iv->devControlCmd <= PFSet){ // ok inverter accepted the set point copy it to dtu eeprom
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if (iv->powerLimit[1]>0){ // User want to have it persistent
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mEep->write(ADDR_INV_PWR_LIM + iv->id * 2,iv->powerLimit[0]);
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updateCrc();
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mEep->commit();
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DPRINTLN(DBG_INFO, F("Inverter has accepted power limit set point, written to dtu eeprom"));
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} else {
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DPRINTLN(DBG_INFO, F("Inverter has accepted power limit set point"));
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}
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iv->devControlCmd = Init;
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}
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break;
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default:
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if (iv->devControlCmd == ActivePowerContr){
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//case inverter did not accept the sent limit; set back to last stored limit
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mEep->read(ADDR_INV_PWR_LIM + iv->id * 2, (uint16_t *)&(iv->powerLimit[0]));
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DPRINTLN(DBG_INFO, F("Inverter has not accepted power limit set point"));
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}
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iv->devControlCmd = Init;
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break;
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}
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}
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}
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}
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mSys->BufCtrl.popBack();
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}
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yield();
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if(rxRdy) {
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processPayload(true);
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}
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}
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if(mMqttActive)
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mMqtt.loop();
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if(checkTicker(&mTicker, 1000)) {
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if((++mMqttTicker >= mMqttInterval) && (mMqttInterval != 0xffff) && mMqttActive) {
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mMqttTicker = 0;
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mMqtt.isConnected(true);
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char topic[30], val[10];
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for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
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Inverter<> *iv = mSys->getInverterByPos(id);
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if(NULL != iv) {
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if(iv->isAvailable(mTimestamp)) {
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for(uint8_t i = 0; i < iv->listLen; i++) {
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snprintf(topic, 30, "%s/ch%d/%s", iv->name, iv->assign[i].ch, fields[iv->assign[i].fieldId]);
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snprintf(val, 10, "%.3f", iv->getValue(i));
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mMqtt.sendMsg(topic, val);
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yield();
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}
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}
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}
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}
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snprintf(val, 10, "%ld", millis()/1000);
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#ifndef __MQTT_NO_DISCOVERCONFIG__
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// MQTTDiscoveryConfig nur wenn nicht abgeschaltet.
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sendMqttDiscoveryConfig();
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#endif
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mMqtt.sendMsg("uptime", val);
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#ifdef __MQTT_TEST__
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// für einfacheren Test mit MQTT, den MQTT abschnitt in 10 Sekunden wieder ausführen
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mMqttTicker = mMqttInterval -10;
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#endif
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}
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if(mConfig.serialShowIv) {
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if(++mSerialTicker >= mConfig.serialInterval) {
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mSerialTicker = 0;
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char topic[30], val[10];
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for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
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Inverter<> *iv = mSys->getInverterByPos(id);
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if(NULL != iv) {
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if(iv->isAvailable(mTimestamp)) {
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DPRINTLN(DBG_INFO, "Inverter: " + String(id));
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for(uint8_t i = 0; i < iv->listLen; i++) {
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if(0.0f != iv->getValue(i)) {
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snprintf(topic, 30, "%s/ch%d/%s", iv->name, iv->assign[i].ch, iv->getFieldName(i));
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snprintf(val, 10, "%.3f %s", iv->getValue(i), iv->getUnit(i));
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DPRINTLN(DBG_INFO, String(topic) + ": " + String(val));
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}
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yield();
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}
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DPRINTLN(DBG_INFO, "");
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}
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}
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}
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}
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}
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if(++mSendTicker >= mConfig.sendInterval) {
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mSendTicker = 0;
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if(0 != mTimestamp) {
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if(mConfig.serialDebug)
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DPRINTLN(DBG_DEBUG, F("Free heap: 0x") + String(ESP.getFreeHeap(), HEX));
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if(!mSys->BufCtrl.empty()) {
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if(mConfig.serialDebug)
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DPRINTLN(DBG_DEBUG, F("recbuf not empty! #") + String(mSys->BufCtrl.getFill()));
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}
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int8_t maxLoop = MAX_NUM_INVERTERS;
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Inverter<> *iv = mSys->getInverterByPos(mSendLastIvId);
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do {
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if(NULL != iv)
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mPayload[iv->id].requested = false;
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mSendLastIvId = ((MAX_NUM_INVERTERS-1) == mSendLastIvId) ? 0 : mSendLastIvId + 1;
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iv = mSys->getInverterByPos(mSendLastIvId);
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} while((NULL == iv) && ((maxLoop--) > 0));
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if(NULL != iv) {
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if(!mPayload[iv->id].complete)
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processPayload(false);
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if(!mPayload[iv->id].complete) {
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mRxFailed++;
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if(mConfig.serialDebug) {
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DPRINT(DBG_INFO, F("Inverter #") + String(iv->id) + " ");
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DPRINTLN(DBG_INFO, F("no Payload received! (retransmits: ") + String(mPayload[iv->id].retransmits) + ")");
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}
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}
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// reset payload data
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memset(mPayload[iv->id].len, 0, MAX_PAYLOAD_ENTRIES);
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mPayload[iv->id].retransmits = 0;
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mPayload[iv->id].maxPackId = 0;
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mPayload[iv->id].complete = false;
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mPayload[iv->id].requested = true;
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mPayload[iv->id].ts = mTimestamp;
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yield();
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if(mConfig.serialDebug)
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DPRINTLN(DBG_DEBUG, F("app:loop WiFi WiFi.status ") + String(WiFi.status()) );
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DPRINTLN(DBG_INFO, F("Requesting Inverter SN ") + String(iv->serial.u64, HEX));
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if(iv->devControlRequest && iv->powerLimit[0] > 0){ // prevent to "switch off"
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if(mConfig.serialDebug)
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DPRINTLN(DBG_INFO, F("Devcontrol request ") + String(iv->devControlCmd) + F(" power limit ") + String(iv->powerLimit[0]));
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mSys->Radio.sendControlPacket(iv->radioId.u64,iv->devControlCmd ,iv->powerLimit);
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} else {
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mSys->Radio.sendTimePacket(iv->radioId.u64, mSys->InfoCmd, mPayload[iv->id].ts,iv->alarmMesIndex);
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mRxTicker = 0;
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}
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}
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}
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else if(mConfig.serialDebug)
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DPRINTLN(DBG_WARN, F("time not set, can't request inverter!"));
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yield();
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}
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}
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}
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//-----------------------------------------------------------------------------
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void app::handleIntr(void) {
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DPRINTLN(DBG_VERBOSE, F("app::handleIntr"));
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mSys->Radio.handleIntr();
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}
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//-----------------------------------------------------------------------------
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bool app::buildPayload(uint8_t id) {
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DPRINTLN(DBG_VERBOSE, F("app::buildPayload"));
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uint16_t crc = 0xffff, crcRcv = 0x0000;
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if(mPayload[id].maxPackId > MAX_PAYLOAD_ENTRIES)
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mPayload[id].maxPackId = MAX_PAYLOAD_ENTRIES;
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for(uint8_t i = 0; i < mPayload[id].maxPackId; i ++) {
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if(mPayload[id].len[i] > 0) {
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if(i == (mPayload[id].maxPackId-1)) {
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crc = crc16(mPayload[id].data[i], mPayload[id].len[i] - 2, crc);
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crcRcv = (mPayload[id].data[i][mPayload[id].len[i] - 2] << 8)
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| (mPayload[id].data[i][mPayload[id].len[i] - 1]);
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}
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else
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crc = crc16(mPayload[id].data[i], mPayload[id].len[i], crc);
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}
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yield();
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}
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if(crc == crcRcv)
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return true;
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return false;
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}
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//-----------------------------------------------------------------------------
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void app::processPayload(bool retransmit) {
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#ifdef __MQTT_AFTER_RX__
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boolean doMQTT = false;
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#endif
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DPRINTLN(DBG_VERBOSE, F("app::processPayload"));
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for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
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Inverter<> *iv = mSys->getInverterByPos(id);
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if(NULL != iv) {
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if(!mPayload[iv->id].complete) {
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if(!buildPayload(iv->id)) {
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if(mPayload[iv->id].requested) {
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if(retransmit) {
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if(mPayload[iv->id].retransmits < mConfig.maxRetransPerPyld) {
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mPayload[iv->id].retransmits++;
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if(mPayload[iv->id].maxPackId != 0) {
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for(uint8_t i = 0; i < (mPayload[iv->id].maxPackId-1); i ++) {
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if(mPayload[iv->id].len[i] == 0) {
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if(mConfig.serialDebug)
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DPRINTLN(DBG_ERROR, F("while retrieving data: Frame ") + String(i+1) + F(" missing: Request Retransmit"));
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mSys->Radio.sendCmdPacket(iv->radioId.u64, TX_REQ_INFO, (SINGLE_FRAME+i), true);
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break; // only retransmit one frame per loop
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}
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yield();
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}
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}
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else {
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if(mConfig.serialDebug)
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DPRINTLN(DBG_ERROR, F("while retrieving data: last frame missing: Request Retransmit"));
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if(0x00 != mLastPacketId)
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mSys->Radio.sendCmdPacket(iv->radioId.u64, TX_REQ_INFO, mLastPacketId, true);
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else
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mSys->Radio.sendTimePacket(iv->radioId.u64, mSys->InfoCmd, mPayload[iv->id].ts,iv->alarmMesIndex);
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}
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mSys->Radio.switchRxCh(100);
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}
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}
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}
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}
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else {
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mPayload[iv->id].complete = true;
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iv->ts = mPayload[iv->id].ts;
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uint8_t payload[128] = {0};
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uint8_t offs = 0;
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for(uint8_t i = 0; i < (mPayload[iv->id].maxPackId); i ++) {
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memcpy(&payload[offs], mPayload[iv->id].data[i], (mPayload[iv->id].len[i]));
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offs += (mPayload[iv->id].len[i]);
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yield();
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}
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offs-=2;
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if(mConfig.serialDebug) {
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DPRINT(DBG_INFO, F("Payload (") + String(offs) + "): ");
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mSys->Radio.dumpBuf(NULL, payload, offs);
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}
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mRxSuccess++;
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for(uint8_t i = 0; i < iv->listLen; i++) {
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iv->addValue(i, payload);
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yield();
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}
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iv->doCalculations();
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#ifdef __MQTT_AFTER_RX__
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doMQTT = true;
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#endif
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}
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}
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yield();
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}
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}
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#ifdef __MQTT_AFTER_RX__
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// ist MQTT aktiviert und es wurden Daten vom einem oder mehreren WR aufbereitet ( doMQTT = true)
|
|
// dann die den mMqttTicker auf mMqttIntervall -2 setzen, also
|
|
// MQTT aussenden in 2 sek aktivieren
|
|
// dies sollte noch über einen Schalter im Setup aktivier / deaktivierbar gemacht werden
|
|
if( (mMqttInterval != 0xffff) && doMQTT ) {
|
|
++mMqttTicker = mMqttInterval -2;
|
|
DPRINT(DBG_DEBUG, F("MQTTticker auf Intervall -2 sec ")) ;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::cbMqtt(char* topic, byte* payload, unsigned int length) {
|
|
// callback handling on subscribed devcontrol topic
|
|
DPRINTLN(DBG_INFO, F("app::cbMqtt"));
|
|
// subcribed topics are mTopic + "/devcontrol/#" where # is <inverter_id>/<subcmd in dec>
|
|
// eg. mypvsolar/devcontrol/1/11 with payload "400" --> inverter 1 active power limit 400 Watt
|
|
const char *token = strtok(topic, "/");
|
|
while (token != NULL)
|
|
{
|
|
if (std::strcmp(token,"devcontrol")==0){
|
|
token = strtok(NULL, "/");
|
|
uint8_t iv_id = std::stoi(token);
|
|
if (iv_id >= 0 && iv_id <= MAX_NUM_INVERTERS){
|
|
Inverter<> *iv = this->mSys->getInverterByPos(iv_id);
|
|
if(NULL != iv) {
|
|
if (!iv->devControlRequest) { // still pending
|
|
token = strtok(NULL, "/");
|
|
switch ( std::stoi(token) ){
|
|
case ActivePowerContr: // Active Power Control
|
|
if (true){ // if (std::stoi((char*)payload) > 0) error handling powerlimit needed?
|
|
iv->devControlCmd = ActivePowerContr;
|
|
iv->powerLimit[0] = std::stoi((char*)payload);
|
|
iv->powerLimit[1] = 0x0000; // if power limit is set via external interface --> set it temporay
|
|
DPRINTLN(DBG_DEBUG, F("Power limit for inverter ") + String(iv->id) + F(" set to ") + String(iv->powerLimit[0]) + F("W") );
|
|
}
|
|
iv->devControlRequest = true;
|
|
break;
|
|
case TurnOn: // Turn On
|
|
iv->devControlCmd = TurnOn;
|
|
DPRINTLN(DBG_INFO, F("Turn on inverter ") + String(iv->id) );
|
|
iv->devControlRequest = true;
|
|
break;
|
|
case TurnOff: // Turn Off
|
|
iv->devControlCmd = TurnOff;
|
|
DPRINTLN(DBG_INFO, F("Turn off inverter ") + String(iv->id) );
|
|
iv->devControlRequest = true;
|
|
break;
|
|
case Restart: // Restart
|
|
iv->devControlCmd = Restart;
|
|
DPRINTLN(DBG_INFO, F("Restart inverter ") + String(iv->id) );
|
|
iv->devControlRequest = true;
|
|
break;
|
|
case ReactivePowerContr: // Reactive Power Control
|
|
iv->devControlCmd = ReactivePowerContr;
|
|
if (true){ // if (std::stoi((char*)payload) > 0) error handling powerlimit needed?
|
|
iv->devControlCmd = ReactivePowerContr;
|
|
iv->powerLimit[0] = std::stoi((char*)payload);
|
|
iv->powerLimit[1] = 0x0000; // if reactivepower limit is set via external interface --> set it temporay
|
|
DPRINTLN(DBG_DEBUG, F("Reactivepower limit for inverter ") + String(iv->id) + F(" set to ") + String(iv->powerLimit[0]) + F("W") );
|
|
iv->devControlRequest = true;
|
|
}
|
|
break;
|
|
case PFSet: // Set Power Factor
|
|
// iv->devControlCmd = PFSet;
|
|
// uint16_t power_factor = std::stoi(strtok(NULL, "/"));
|
|
DPRINTLN(DBG_INFO, F("Set Power Factor not implemented for inverter ") + String(iv->id) );
|
|
break;
|
|
default:
|
|
DPRINTLN(DBG_INFO, "Not implemented");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
token = strtok(NULL, "/");
|
|
}
|
|
DPRINTLN(DBG_INFO, F("app::cbMqtt finished"));
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*void app::webapi(void) { // ToDo
|
|
DPRINTLN(DBG_VERBOSE, F("app::api"));
|
|
const size_t capacity = 200; // Use arduinojson.org/assistant to compute the capacity.
|
|
DynamicJsonDocument payload(capacity);
|
|
|
|
// Parse JSON object
|
|
deserializeJson(payload, mWeb->arg("plain"));
|
|
// ToDo: error handling for payload
|
|
if (payload["tx_request"] == TX_REQ_INFO){
|
|
mSys->InfoCmd = payload["cmd"];
|
|
DPRINTLN(DBG_INFO, F("Will make tx-request 0x15 with subcmd ") + String(mSys->InfoCmd));
|
|
}
|
|
mWeb->send ( 200, "text/json", "{success:true}" );
|
|
}*/
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
String app::getStatistics(void) {
|
|
String content = F("Receive success: ") + String(mRxSuccess) + "\n";
|
|
content += F("Receive fail: ") + String(mRxFailed) + "\n";
|
|
content += F("Frames received: ") + String(mFrameCnt) + "\n";
|
|
content += F("Send Cnt: ") + String(mSys->Radio.mSendCnt) + String("\n\n");
|
|
|
|
Inverter<> *iv;
|
|
for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i++) {
|
|
iv = mSys->getInverterByPos(i);
|
|
if(NULL != iv) {
|
|
bool avail = true;
|
|
content += F("Inverter '") + String(iv->name) + F("' is ");
|
|
if(!iv->isAvailable(mTimestamp)) {
|
|
content += F("not ");
|
|
avail = false;
|
|
}
|
|
content += F("available and is ");
|
|
if(!iv->isProducing(mTimestamp))
|
|
content += F("not ");
|
|
content += F("producing\n");
|
|
|
|
if(!avail) {
|
|
if(iv->getLastTs() > 0)
|
|
content += F("-> last successful transmission: ") + getDateTimeStr(iv->getLastTs()) + "\n";
|
|
}
|
|
}
|
|
else {
|
|
content += F("Inverter ") + String(i) + F(" not (correctly) configured\n");
|
|
}
|
|
}
|
|
|
|
if(!mSys->Radio.isChipConnected())
|
|
content += F("WARNING! your NRF24 module can't be reached, check the wiring and pinout (<a href=\"/setup\">setup</a>)\n");
|
|
|
|
if(mShowRebootRequest)
|
|
content += F("INFO: reboot your ESP to apply all your configuration changes!\n");
|
|
|
|
if(!mSettingsValid)
|
|
content += F("INFO: your settings are invalid, please switch to <a href=\"/setup\">Setup</a> to correct this.\n");
|
|
|
|
content += F("MQTT: ");
|
|
if(!mMqtt.isConnected())
|
|
content += F("not ");
|
|
content += F("connected\n");
|
|
|
|
return content;
|
|
}
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
String app::getLiveData(void) {
|
|
String modHtml;
|
|
for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
|
|
Inverter<> *iv = mSys->getInverterByPos(id);
|
|
if(NULL != iv) {
|
|
#ifdef LIVEDATA_VISUALIZED
|
|
uint8_t modNum, pos;
|
|
switch(iv->type) {
|
|
default:
|
|
case INV_TYPE_1CH: modNum = 1; break;
|
|
case INV_TYPE_2CH: modNum = 2; break;
|
|
case INV_TYPE_4CH: modNum = 4; break;
|
|
}
|
|
|
|
modHtml += F("<div class=\"iv\">"
|
|
"<div class=\"ch-iv\"><span class=\"head\">") + String(iv->name) + F(" Limit ") + String(iv->powerLimit[0]) + F(" W</span>");
|
|
uint8_t list[] = {FLD_UAC, FLD_IAC, FLD_PAC, FLD_F, FLD_PCT, FLD_T, FLD_YT, FLD_YD, FLD_PDC, FLD_EFF, FLD_PRA, FLD_ALARM_MES_ID};
|
|
|
|
for(uint8_t fld = 0; fld < 12; fld++) {
|
|
pos = (iv->getPosByChFld(CH0, list[fld]));
|
|
if(0xff != pos) {
|
|
modHtml += F("<div class=\"subgrp\">");
|
|
modHtml += F("<span class=\"value\">") + String(iv->getValue(pos));
|
|
modHtml += F("<span class=\"unit\">") + String(iv->getUnit(pos)) + F("</span></span>");
|
|
modHtml += F("<span class=\"info\">") + String(iv->getFieldName(pos)) + F("</span>");
|
|
modHtml += F("</div>");
|
|
}
|
|
}
|
|
modHtml += "</div>";
|
|
|
|
for(uint8_t ch = 1; ch <= modNum; ch ++) {
|
|
modHtml += F("<div class=\"ch\"><span class=\"head\">");
|
|
if(iv->chName[ch-1][0] == 0)
|
|
modHtml += F("CHANNEL ") + String(ch);
|
|
else
|
|
modHtml += String(iv->chName[ch-1]);
|
|
modHtml += F("</span>");
|
|
for(uint8_t j = 0; j < 6; j++) {
|
|
switch(j) {
|
|
default: pos = (iv->getPosByChFld(ch, FLD_UDC)); break;
|
|
case 1: pos = (iv->getPosByChFld(ch, FLD_IDC)); break;
|
|
case 2: pos = (iv->getPosByChFld(ch, FLD_PDC)); break;
|
|
case 3: pos = (iv->getPosByChFld(ch, FLD_YD)); break;
|
|
case 4: pos = (iv->getPosByChFld(ch, FLD_YT)); break;
|
|
case 5: pos = (iv->getPosByChFld(ch, FLD_IRR)); break;
|
|
}
|
|
if(0xff != pos) {
|
|
modHtml += F("<span class=\"value\">") + String(iv->getValue(pos));
|
|
modHtml += F("<span class=\"unit\">") + String(iv->getUnit(pos)) + F("</span></span>");
|
|
modHtml += F("<span class=\"info\">") + String(iv->getFieldName(pos)) + F("</span>");
|
|
}
|
|
}
|
|
modHtml += "</div>";
|
|
yield();
|
|
}
|
|
modHtml += F("<div class=\"ts\">Last received data requested at: ") + getDateTimeStr(iv->ts) + F("</div>");
|
|
modHtml += F("</div>");
|
|
#else
|
|
// dump all data to web frontend
|
|
modHtml = F("<pre>");
|
|
char topic[30], val[10];
|
|
for(uint8_t i = 0; i < iv->listLen; i++) {
|
|
snprintf(topic, 30, "%s/ch%d/%s", iv->name, iv->assign[i].ch, iv->getFieldName(i));
|
|
snprintf(val, 10, "%.3f %s", iv->getValue(i), iv->getUnit(i));
|
|
modHtml += String(topic) + ": " + String(val) + "\n";
|
|
}
|
|
modHtml += F("</pre>");
|
|
#endif
|
|
}
|
|
}
|
|
return modHtml;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
String app::getJson(void) {
|
|
DPRINTLN(DBG_VERBOSE, F("app::showJson"));
|
|
String modJson;
|
|
|
|
modJson = F("{\n");
|
|
for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
|
|
Inverter<> *iv = mSys->getInverterByPos(id);
|
|
if(NULL != iv) {
|
|
char topic[40], val[25];
|
|
snprintf(topic, 30, "\"%s\": {\n", iv->name);
|
|
modJson += String(topic);
|
|
for(uint8_t i = 0; i < iv->listLen; i++) {
|
|
snprintf(topic, 40, "\t\"ch%d/%s\"", iv->assign[i].ch, iv->getFieldName(i));
|
|
snprintf(val, 25, "[%.3f, \"%s\"]", iv->getValue(i), iv->getUnit(i));
|
|
modJson += String(topic) + ": " + String(val) + F(",\n");
|
|
}
|
|
modJson += F("\t\"last_msg\": \"") + getDateTimeStr(iv->ts) + F("\"\n\t},\n");
|
|
}
|
|
}
|
|
modJson += F("\"json_ts\": \"") + String(getDateTimeStr(mTimestamp)) + F("\"\n}\n");
|
|
|
|
return modJson;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::sendMqttDiscoveryConfig(void) {
|
|
DPRINTLN(DBG_VERBOSE, F("app::sendMqttDiscoveryConfig"));
|
|
|
|
char stateTopic[64], discoveryTopic[64], buffer[512], name[32], uniq_id[32];
|
|
for(uint8_t id = 0; id < mSys->getNumInverters(); id++) {
|
|
Inverter<> *iv = mSys->getInverterByPos(id);
|
|
if(NULL != iv) {
|
|
if(iv->isAvailable(mTimestamp) && mMqttConfigSendState[id] != true) {
|
|
DynamicJsonDocument deviceDoc(128);
|
|
deviceDoc["name"] = iv->name;
|
|
deviceDoc["ids"] = String(iv->serial.u64, HEX);
|
|
deviceDoc["cu"] = F("http://") + String(WiFi.localIP().toString());
|
|
JsonObject deviceObj = deviceDoc.as<JsonObject>();
|
|
DynamicJsonDocument doc(384);
|
|
|
|
for(uint8_t i = 0; i < iv->listLen; i++) {
|
|
if (iv->assign[i].ch == CH0) {
|
|
snprintf(name, 32, "%s %s", iv->name, iv->getFieldName(i));
|
|
} else {
|
|
snprintf(name, 32, "%s CH%d %s", iv->name, iv->assign[i].ch, iv->getFieldName(i));
|
|
}
|
|
snprintf(stateTopic, 64, "%s/%s/ch%d/%s", mConfig.mqtt.topic, iv->name, iv->assign[i].ch, iv->getFieldName(i));
|
|
snprintf(discoveryTopic, 64, "%s/sensor/%s/ch%d_%s/config", MQTT_DISCOVERY_PREFIX, iv->name, iv->assign[i].ch, iv->getFieldName(i));
|
|
snprintf(uniq_id, 32, "ch%d_%s", iv->assign[i].ch, iv->getFieldName(i));
|
|
const char* devCls = getFieldDeviceClass(iv->assign[i].fieldId);
|
|
const char* stateCls = getFieldStateClass(iv->assign[i].fieldId);
|
|
|
|
doc["name"] = name;
|
|
doc["stat_t"] = stateTopic;
|
|
doc["unit_of_meas"] = iv->getUnit(i);
|
|
doc["uniq_id"] = String(iv->serial.u64, HEX) + "_" + uniq_id;
|
|
doc["dev"] = deviceObj;
|
|
doc["exp_aft"] = mMqttInterval + 5; // add 5 sec if connection is bad or ESP too slow
|
|
if (devCls != NULL) {
|
|
doc["dev_cla"] = devCls;
|
|
}
|
|
if (stateCls != NULL) {
|
|
doc["stat_cla"] = stateCls;
|
|
}
|
|
|
|
serializeJson(doc, buffer);
|
|
mMqtt.sendMsg2(discoveryTopic, buffer, true);
|
|
doc.clear();
|
|
|
|
yield();
|
|
}
|
|
|
|
mMqttConfigSendState[id] = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
const char* app::getFieldDeviceClass(uint8_t fieldId) {
|
|
uint8_t pos = 0;
|
|
for(; pos < DEVICE_CLS_ASSIGN_LIST_LEN; pos++) {
|
|
if(deviceFieldAssignment[pos].fieldId == fieldId)
|
|
break;
|
|
}
|
|
return (pos >= DEVICE_CLS_ASSIGN_LIST_LEN) ? NULL : deviceClasses[deviceFieldAssignment[pos].deviceClsId];
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
const char* app::getFieldStateClass(uint8_t fieldId) {
|
|
uint8_t pos = 0;
|
|
for(; pos < DEVICE_CLS_ASSIGN_LIST_LEN; pos++) {
|
|
if(deviceFieldAssignment[pos].fieldId == fieldId)
|
|
break;
|
|
}
|
|
return (pos >= DEVICE_CLS_ASSIGN_LIST_LEN) ? NULL : stateClasses[deviceFieldAssignment[pos].stateClsId];
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::setupAp(const char *ssid, const char *pwd) {
|
|
DPRINTLN(DBG_VERBOSE, F("app::setupAp"));
|
|
IPAddress apIp(192, 168, 1, 1);
|
|
|
|
DPRINTLN(DBG_INFO, F("\n---------\nAP MODE\nSSID: ")
|
|
+ String(ssid) + F("\nPWD: ")
|
|
+ String(pwd) + F("\nActive for: ")
|
|
+ String(WIFI_AP_ACTIVE_TIME) + F(" seconds")
|
|
+ F("\n---------\n"));
|
|
DPRINTLN(DBG_DEBUG, String(mNextTryTs));
|
|
|
|
WiFi.mode(WIFI_AP);
|
|
WiFi.softAPConfig(apIp, apIp, IPAddress(255, 255, 255, 0));
|
|
WiFi.softAP(ssid, pwd);
|
|
|
|
mDns->start(53, "*", apIp);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
bool app::setupStation(uint32_t timeout) {
|
|
DPRINTLN(DBG_VERBOSE, F("app::setupStation"));
|
|
int32_t cnt;
|
|
bool startAp = false;
|
|
|
|
if(timeout >= 3)
|
|
cnt = (timeout - 3) / 2 * 10;
|
|
else {
|
|
timeout = 1;
|
|
cnt = 1;
|
|
}
|
|
|
|
WiFi.mode(WIFI_STA);
|
|
WiFi.begin(mSysConfig.stationSsid, mSysConfig.stationPwd);
|
|
if(String(mSysConfig.deviceName) != "")
|
|
WiFi.hostname(mSysConfig.deviceName);
|
|
|
|
delay(2000);
|
|
DPRINTLN(DBG_INFO, F("connect to network '") + String(mSysConfig.stationSsid) + F("' ..."));
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
delay(100);
|
|
if(cnt % 40 == 0)
|
|
Serial.println(".");
|
|
else
|
|
Serial.print(".");
|
|
|
|
if(timeout > 0) { // limit == 0 -> no limit
|
|
if(--cnt <= 0) {
|
|
if(WiFi.status() != WL_CONNECTED) {
|
|
startAp = true;
|
|
WiFi.disconnect();
|
|
}
|
|
delay(100);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
Serial.println(".");
|
|
|
|
if(false == startAp) {
|
|
wifiWasEstablished = true;
|
|
}
|
|
|
|
delay(1000);
|
|
|
|
return startAp;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::resetSystem(void) {
|
|
mWifiStationTimeout = 10;
|
|
wifiWasEstablished = false;
|
|
mNextTryTs = 0;
|
|
mApLastTick = 0;
|
|
|
|
mUptimeSecs = 0;
|
|
mUptimeTicker = 0xffffffff;
|
|
mUptimeInterval = 1000;
|
|
|
|
#ifdef AP_ONLY
|
|
mTimestamp = 1;
|
|
#else
|
|
mTimestamp = 0;
|
|
#endif
|
|
|
|
mHeapStatCnt = 0;
|
|
|
|
mSendTicker = 0xffff;
|
|
mMqttTicker = 0xffff;
|
|
mMqttInterval = MQTT_INTERVAL;
|
|
mSerialTicker = 0xffff;
|
|
mMqttActive = false;
|
|
|
|
mTicker = 0;
|
|
mRxTicker = 0;
|
|
|
|
mSendLastIvId = 0;
|
|
|
|
mShowRebootRequest = false;
|
|
|
|
|
|
memset(mPayload, 0, (MAX_NUM_INVERTERS * sizeof(invPayload_t)));
|
|
mRxFailed = 0;
|
|
mRxSuccess = 0;
|
|
mFrameCnt = 0;
|
|
mLastPacketId = 0x00;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::loadDefaultConfig(void) {
|
|
memset(&mSysConfig, 0, sizeof(sysConfig_t));
|
|
memset(&mConfig, 0, sizeof(config_t));
|
|
snprintf(mVersion, 12, "%d.%d.%d", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH);
|
|
|
|
snprintf(mSysConfig.deviceName, DEVNAME_LEN, "%s", DEF_DEVICE_NAME);
|
|
|
|
// wifi
|
|
snprintf(mSysConfig.stationSsid, SSID_LEN, "%s", FB_WIFI_SSID);
|
|
snprintf(mSysConfig.stationPwd, PWD_LEN, "%s", FB_WIFI_PWD);
|
|
apActive = false;
|
|
|
|
// nrf24
|
|
mConfig.sendInterval = SEND_INTERVAL;
|
|
mConfig.maxRetransPerPyld = DEF_MAX_RETRANS_PER_PYLD;
|
|
mConfig.pinCs = DEF_RF24_CS_PIN;
|
|
mConfig.pinCe = DEF_RF24_CE_PIN;
|
|
mConfig.pinIrq = DEF_RF24_IRQ_PIN;
|
|
mConfig.amplifierPower = DEF_AMPLIFIERPOWER & 0x03;
|
|
|
|
// ntp
|
|
snprintf(mConfig.ntpAddr, NTP_ADDR_LEN, "%s", NTP_SERVER_NAME);
|
|
mConfig.ntpPort = NTP_LOCAL_PORT;
|
|
|
|
// mqtt
|
|
snprintf(mConfig.mqtt.broker, MQTT_ADDR_LEN, "%s", DEF_MQTT_BROKER);
|
|
mConfig.mqtt.port = DEF_MQTT_PORT;
|
|
snprintf(mConfig.mqtt.user, MQTT_USER_LEN, "%s", DEF_MQTT_USER);
|
|
snprintf(mConfig.mqtt.pwd, MQTT_PWD_LEN, "%s", DEF_MQTT_PWD);
|
|
snprintf(mConfig.mqtt.topic, MQTT_TOPIC_LEN, "%s", DEF_MQTT_TOPIC);
|
|
|
|
// serial
|
|
mConfig.serialInterval = SERIAL_INTERVAL;
|
|
mConfig.serialShowIv = false;
|
|
mConfig.serialDebug = false;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::loadEEpconfig(void) {
|
|
DPRINTLN(DBG_VERBOSE, F("app::loadEEpconfig"));
|
|
|
|
if(mWifiSettingsValid)
|
|
mEep->read(ADDR_CFG_SYS, (uint8_t*) &mSysConfig, CFG_SYS_LEN);
|
|
if(mSettingsValid) {
|
|
mEep->read(ADDR_CFG, (uint8_t*) &mConfig, CFG_LEN);
|
|
|
|
mSendTicker = mConfig.sendInterval;
|
|
mSerialTicker = 0;
|
|
|
|
// inverter
|
|
uint64_t invSerial;
|
|
char name[MAX_NAME_LENGTH + 1] = {0};
|
|
uint16_t modPwr[4];
|
|
Inverter<> *iv;
|
|
for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {
|
|
mEep->read(ADDR_INV_ADDR + (i * 8), &invSerial);
|
|
mEep->read(ADDR_INV_NAME + (i * MAX_NAME_LENGTH), name, MAX_NAME_LENGTH);
|
|
mEep->read(ADDR_INV_CH_PWR + (i * 2 * 4), modPwr, 4);
|
|
if(0ULL != invSerial) {
|
|
iv = mSys->addInverter(name, invSerial, modPwr);
|
|
if(NULL != iv) {
|
|
mEep->read(ADDR_INV_PWR_LIM + (i * 2),(uint16_t *)&(iv->powerLimit[0]));
|
|
if (iv->powerLimit[0] != 0xffff) { // only set it, if it is changed by user. Default value in the html setup page is -1 = 0xffff
|
|
iv->powerLimit[1] = 0x0001; // set the limit as persistent
|
|
iv->devControlCmd = ActivePowerContr; // set active power limit
|
|
iv->devControlRequest = true; // set to true to update the active power limit from setup html page
|
|
DPRINTLN(DBG_INFO, F("add inverter: ") + String(name) + ", SN: " + String(invSerial, HEX) + ", Power Limit: " + String(iv->powerLimit[0]));
|
|
}
|
|
for(uint8_t j = 0; j < 4; j++) {
|
|
mEep->read(ADDR_INV_CH_NAME + (i * 4 * MAX_NAME_LENGTH) + j * MAX_NAME_LENGTH, iv->chName[j], MAX_NAME_LENGTH);
|
|
}
|
|
}
|
|
|
|
// TODO: the original mqttinterval value is not needed any more
|
|
mMqttInterval += mConfig.sendInterval;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::setupMqtt(void) {
|
|
if(mSettingsValid) {
|
|
if(mConfig.mqtt.broker[0] > 0) {
|
|
mMqttActive = true;
|
|
if(mMqttInterval < MIN_MQTT_INTERVAL)
|
|
mMqttInterval = MIN_MQTT_INTERVAL;
|
|
}
|
|
else
|
|
mMqttInterval = 0xffff;
|
|
|
|
mMqttTicker = 0;
|
|
mMqtt.setup(&mConfig.mqtt, mSysConfig.deviceName);
|
|
mMqtt.setCallback(std::bind(&app::cbMqtt, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
|
|
|
|
|
|
if(mMqttActive) {
|
|
mMqtt.sendMsg("version", mVersion);
|
|
if(mMqtt.isConnected())
|
|
mMqtt.sendMsg("device", mSysConfig.deviceName);
|
|
|
|
/*char topic[30];
|
|
for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {
|
|
iv = mSys->getInverterByPos(i);
|
|
if(NULL != iv) {
|
|
for(uint8_t i = 0; i < 4; i++) {
|
|
if(0 != iv->chName[i][0]) {
|
|
snprintf(topic, 30, "%s/ch%d/%s", iv->name, i+1, "name");
|
|
mMqtt.sendMsg(topic, iv->chName[i]);
|
|
yield();
|
|
}
|
|
}
|
|
}
|
|
}*/
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::saveValues(void) {
|
|
DPRINTLN(DBG_VERBOSE, F("app::saveValues"));
|
|
|
|
mEep->write(ADDR_CFG_SYS, (uint8_t*)&mSysConfig, CFG_SYS_LEN);
|
|
mEep->write(ADDR_CFG, (uint8_t*)&mConfig, CFG_LEN);
|
|
Inverter<> *iv;
|
|
for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {
|
|
iv = mSys->getInverterByPos(i);
|
|
if(NULL != iv) {
|
|
mEep->write(ADDR_INV_ADDR + (i * 8), iv->serial.u64);
|
|
mEep->write(ADDR_INV_PWR_LIM + i * 2, iv->powerLimit[0]);
|
|
mEep->write(ADDR_INV_NAME + (i * MAX_NAME_LENGTH), iv->name, MAX_NAME_LENGTH);
|
|
// max channel power / name
|
|
for(uint8_t j = 0; j < 4; j++) {
|
|
mEep->write(ADDR_INV_CH_PWR + (i * 2 * 4) + (j*2), iv->chMaxPwr[j]);
|
|
mEep->write(ADDR_INV_CH_NAME + (i * 4 * MAX_NAME_LENGTH) + j * MAX_NAME_LENGTH, iv->chName[j], MAX_NAME_LENGTH);
|
|
}
|
|
}
|
|
}
|
|
|
|
updateCrc();
|
|
mEep->commit();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
time_t app::getNtpTime(void) {
|
|
//DPRINTLN(DBG_VERBOSE, F("app::getNtpTime"));
|
|
time_t date = 0;
|
|
IPAddress timeServer;
|
|
uint8_t buf[NTP_PACKET_SIZE];
|
|
uint8_t retry = 0;
|
|
|
|
WiFi.hostByName(NTP_SERVER_NAME, timeServer);
|
|
mUdp->begin(NTP_LOCAL_PORT);
|
|
|
|
|
|
sendNTPpacket(timeServer);
|
|
|
|
while(retry++ < 5) {
|
|
int wait = 150;
|
|
while(--wait) {
|
|
if(NTP_PACKET_SIZE <= mUdp->parsePacket()) {
|
|
uint64_t secsSince1900;
|
|
mUdp->read(buf, NTP_PACKET_SIZE);
|
|
secsSince1900 = (buf[40] << 24);
|
|
secsSince1900 |= (buf[41] << 16);
|
|
secsSince1900 |= (buf[42] << 8);
|
|
secsSince1900 |= (buf[43] );
|
|
|
|
date = secsSince1900 - 2208988800UL; // UTC time
|
|
date += (TIMEZONE + offsetDayLightSaving(date)) * 3600;
|
|
break;
|
|
}
|
|
else
|
|
delay(10);
|
|
}
|
|
}
|
|
|
|
return date;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void app::sendNTPpacket(IPAddress& address) {
|
|
//DPRINTLN(DBG_VERBOSE, F("app::sendNTPpacket"));
|
|
uint8_t buf[NTP_PACKET_SIZE] = {0};
|
|
|
|
buf[0] = B11100011; // LI, Version, Mode
|
|
buf[1] = 0; // Stratum
|
|
buf[2] = 6; // Max Interval between messages in seconds
|
|
buf[3] = 0xEC; // Clock Precision
|
|
// bytes 4 - 11 are for Root Delay and Dispersion and were set to 0 by memset
|
|
buf[12] = 49; // four-byte reference ID identifying
|
|
buf[13] = 0x4E;
|
|
buf[14] = 49;
|
|
buf[15] = 52;
|
|
|
|
mUdp->beginPacket(address, 123); // NTP request, port 123
|
|
mUdp->write(buf, NTP_PACKET_SIZE);
|
|
mUdp->endPacket();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// calculates the daylight saving time for middle Europe. Input: Unixtime in UTC
|
|
// from: https://forum.arduino.cc/index.php?topic=172044.msg1278536#msg1278536
|
|
time_t app::offsetDayLightSaving (uint32_t local_t) {
|
|
//DPRINTLN(DBG_VERBOSE, F("app::offsetDayLightSaving"));
|
|
int m = month (local_t);
|
|
if(m < 3 || m > 10) return 0; // no DSL in Jan, Feb, Nov, Dez
|
|
if(m > 3 && m < 10) return 1; // DSL in Apr, May, Jun, Jul, Aug, Sep
|
|
int y = year (local_t);
|
|
int h = hour (local_t);
|
|
int hToday = (h + 24 * day(local_t));
|
|
if((m == 3 && hToday >= (1 + TIMEZONE + 24 * (31 - (5 * y /4 + 4) % 7)))
|
|
|| (m == 10 && hToday < (1 + TIMEZONE + 24 * (31 - (5 * y /4 + 1) % 7))) )
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|